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UR6517 데이터시트 PDF




Unisonic Technologies에서 제조한 전자 부품 UR6517은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 UR6517 기능
기능 1.8A DDR BUS TERMINATION REGULATOR
제조업체 Unisonic Technologies
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UR6517 데이터시트, 핀배열, 회로
UNISONIC TECHNOLOGIES CO., LTD
UR6517
Preliminary
LINEAR INTEGRATED CIRCUIT
1.8A DDR BUS TERMINATION
REGULATOR
DESCRIPTION
The UR6517 is a linear regulator providing up to 1.8A transient
current sourcing and sinking capability for DDR bus terminator
applications while regulating an output voltage to within 20mV. It
contains a high speed operational amplifier which provides fast load
transient response and only requires 10uF of ceramic output
capacitance.
The UR6517 output termination voltage tracks the reference
voltage applied at VREF pin. A resistor divider connected to VIN, GND
and VREF pins is used to force the reference voltage to VREF pin.
Additional features include current limiting protection and thermal
shutdown protection.
FEATURES
*DDR1/ DDR2/DDR3/DDR4 termination voltage applications
*Sink and Source Current
DDR2 1.8A Sink/Source @ VIN=1.8V
DDR3 1.5A Sink/Source @ VIN=1.5V
LPDDR3 1.2A Sink/Source @ VIN=1.35V
DDR4 1.2A Sink/Source @ VIN=1.2V
*Low output voltage offset within 20mV
*Adjustable output voltage by external resistors
*Integrated power MOS devices
*Suspend to RAM(STR) functionality
*Current Limiting Protection
*Thermal Shutdown Protection
*Cost-effective and easy to use
ORDERING INFORMATION
Ordering Number
UR6517G-SH2-R
Package
HSOP-8
HSOP-8
Packing
Tape Reel
UR6517G-SH2-R
(1)Packing Type
(2)Package Type
(3)Green Package
(1) R: Tape Reel
(2) SH2: HSOP-8
(3) G: Halogen Free and Lead Free
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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UR6517 pdf, 반도체, 판매, 대치품
UR6517
Preliminary
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATING (unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
VCNTL Control Voltage
VCNTL
-0.3~+6
V
VIN Supply Voltage
Power Dissipation (TA=25°C)
VIN
-0.3~+6
V
PD
1.163
W
Junction Temperature
TJ 150 °C
Storage Temperature
TSTG
-65 ~ +150
°C
Notes: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
UNIT
Maximum Junction to Ambient (Note)
Maximum Junction to Case
θJA
θJC
86 °C/W
15 °C/W
Note: θJA is measured in the natural convection at TA = 25°C on a high effective thermal conductivity test board of
JEDEC 51-7 thermal measurement standard.
RECOMMENDED OPERATING CONDITIONS (Note)
PARAMETER
SYMBOL
RATINGS
VCNTL Control Voltage
VCNTL
5±5%
VIN Supply Voltage
Junction Temperature
VIN 1V~5.5V
TJ -40~+125
Ambient Temperature
TA -40~+85
Note: All voltage values are with respect to the network ground terminal unless otherwise noted.
ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified)
(VIN=1.8V/1.5V, VCNTL=5V, VREF=0.9V/0.75V, COUT = 10µF (Ceramic))
PARAMETER
SYMBOL
TEST CONDITIONS
INPUT CURRENT
Operation Current of VCNTL
VCNTL Power On Reset
Standby Current
ICNTL
VPOR
ISTB
IOUT =0A
VCNTL Rising
VREF<0.2V, RLOAD=180
OUTPUT VOLTAGE (DDR/DDR II/DDR III)
Output Voltage Offset (VREF-VOUT)
VOS
Load Regulation
VLOAD
IOUT =0A
VIN=1.8V,IOUT =±1.8A
VIN=1.5V,IOUT =±1.5A
VIN=1.35V,IOUT =±1.2A
VIN=1.2V,IOUT =±1.2A
PROTECTION
Current Limit
Short Circuit Current
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
VREF Shutdown
Shutdown Threshold
ILIMIT
ISHORT
TSD
TSD
VIH
VIL
VIN=1.8V/1.5V
VIN=1.8V/1.5V/1.35V/1.2V
VOUT <0.2V
VCNTL=3.3V~5V
VCNTL=3.3V~5V
Enable
Shutdown
MIN TYP
0.7
3.6
20
-20
-20
2.5
1.5
125 170
35
0.4
UNIT
V
V
°C
°C
MAX UNIT
2.5 mA
V
90 μA
20 mV
20 mV
A
A
°C
°C
V
0.15 V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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